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Name : a hydroxide which is soluble in...

Name :
a hydroxide which is soluble in excess of ammonium hydroxide.

A

`Zn(OH)_2`

B

`Fe(OH)_2`

C

`Pb(OH)_2`

D

`Mg(OH)_2`

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Identify the anion present in the following compound : When a solution of compound Y is treated with silver nitrate solution a white precipitate is obtained which is soluble in excess of ammonium hydroxide solution.

Salts M, N, O, P and Q undergo reactiom (i) to (v) respectively. Identify the cation present in these salts on the basis of these reaction. Tabulate your answer in the format given below. 1. When sodium hydroxide solution is added to the salt M, and heated strongly a colourless gas with a pungent smell is evolved which turm red litmus paper blue and gives dense white fumes with a moist glass rod with hydrochloric acid. 2. Addition of dilute hydrochloric acid to a solution of N gives a thick white precipitate which is soluble in hot water. 3. When ammonium hydroxide solution is added to the solution of 0 a light blue precipitate is obtained which is soluble in excess of ammonium hydroxide to form an inteme deep blue solution. 4. When ammonium hydroxide solution is added to the solution of P reddish brown (mustard colour) precipitate is obtained which ,is insoluble even in the excess of ammonium hydroxide solution. 5. When sodium hydroxide solution is added to the solution of Q a which coloured gelatinous precipitate is obtained which is soluble in excess of sodium hydroxide to form a clear solution

Identify the acid which matches the following description The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide.

Identify the acid which matches the following description (i) to (v): The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide.

Select correct answers from the choices A, B, C, D which are given. Write down only the letter corresponding to the correct answer. A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide is

Choose the correct answer from the options - A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide, is: A. Calcium Chloride B. Ferrous chloride C. Ferric chloride D. Copper chloride

Salts P, Q,R,S,T,U and V undergo reactions (i) to (vii) respectively. Identify the cation present in these salts on the basis of these reactions. Tabulate your answer in the formate given below. (i) When the salt Pis heated with sodium hydroxide solution a vigorous reaction takes place and a colourless gas is evolved with a pungent and suffocating smell that brings tears in our eyes. The evolved gas gives dense white fumes with a moist glass rod depped with hydrochloric acid. (ii) Addition of sodium hydroxide solution to a solution of salt Q gives a thick white precipitae which is soluble in excess of sodium hydroxide solution to form a clear solution. (iii) Addition of ammonium hydroxide solution to a solution of salt R gives a dark blue precipitate which is soluble is excess of ammonium hydroxide solution to form an intense deep blue solution. (iv) Addition of ammonium hydroxide solution to a solution of 5 gives a dirty green [bottle green] precipitate which is insoluble even in the excess of ammonium hydroxide solution. (v) Addition of ammonium hydroxide solution to a solution of T gives a reddish brown (rust precipitate] precipitate which is insoluble even in the excess of ammonium hydroxide solution. (vi) Addition of ammonium hydroxide solution to a solution of V gives a geletaneous white precipitate which is soluble in excess of ammonium hydroxide solution to form a clear solution. (vii) Addition of ammonium hydroxide solution to a solution of V gives no precipitate but it gives a chalky white precipitate with sodium hydroxide solution which is insoluble even in the excess of sodium hydroxide solution.

Hydroxide of which metal is soluble in sodium hydroxide solution?

The hydroxide of this metal is soluble in sodium hydroxide :

ICSE-MODEL PAPER-2-SECTION-II
  1. Name : a hydroxide which is soluble in excess of ammonium hydroxide.

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  2. State your observations in each of the following: 1,2, dibromoetha...

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  3. State your observations in each of the following: Ammonium sulphate...

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  4. State your observations in each of the following: Lead nitrate sol...

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  5. State your observations in each of the following: At the electrode...

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  6. State your observations in each of the following: Ammonium hydroxi...

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  7. State the metal/s generally common in the following alloys: Bronze...

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  8. State the metal/s generally common in the following alloys: Duralu...

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  9. State the metal/s generally common in the following alloys: Brass ...

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  10. Give balanced equations for the following laboratory preparations: ...

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  11. Give balanced equations for the following laboratory preparations: ...

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  12. Study the figure given alongside & answer the questions that follow: ...

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  13. Study the figure given alongside & answer the questions that follow: ...

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  14. Study the figure given alongside & answer the questions that follow: ...

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  15. Draw the electron dot diagram to show the formation of a stable positi...

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  16. State the condition/s required for the following conversion reactions ...

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  17. State the condition/s required for the following conversion reactions ...

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  18. State the condition/s required for the following conversion reactions ...

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  19. State the condition/s required for the following conversion reactions ...

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  20. State the condition/s required for the following conversion reaction t...

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  21. Give the structural formula of the following: 1,2, dibromoethene.

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