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An element E = (B,C,Si,Ge), predict E on...

An element `E = (B,C,Si,Ge)`, predict `E` on the basic of given conditions:
I : Powdered `E` reacts with `O_(2)` to form an oxide.
II : Oxide formed in `I` reacts with `NaOH`
III : `E` reacts with steam on red heat forming two gaseous products, which can be used as a fuel. `E` can be :

A

B

B

C

C

`Si`

D

`Ge`

Text Solution

Verified by Experts

The correct Answer is:
B
I & II is qualified by all four
III corresponds to water gas formation.
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RESONANCE ENGLISH-P-BLOCK ELEMENT (BORON AND CARBON FAMILY)-Exercise-2 Part-I : ONLY ONE OPTION CORRECT TYPE
  1. True statement is:

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  2. Identify true statement:

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  3. An element E = (B,C,Si,Ge), predict E on the basic of given conditions...

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  4. In limited supply of oxygen C & Si are allowed to react at sufficientl...

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  5. 2E+N(2)to2EN (very hard substance) EN+H(2)Oto Acid + pungent smelli...

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  6. Aluminium vessels should not be washed with materials containing washi...

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  7. Select the incorrect statement of the following.

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  8. Which of the following statements is correct for diborane?

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  9. B2H6+NH3toAddition compound (X) overset(450 K)to Y+Z(g) In the above...

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  10. Borazine and benzene show striking similarities in their properties. T...

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  11. Aqueous ammonia is used as a precipitating reagent for Al^(3+) ions as...

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  12. Borax is used as buffer since :

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  13. Which of the following sompound is obtained on heating potassium ferro...

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  14. B(OH)(3)+NaOH to Na[B(OH)(4)](aq). Then addition of which of the fo...

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  15. H(3)BO(3)(s) + aq. NaOH overset(Delta)rarr(X), H(3)BO(3)(s) + "molte...

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  16. SnCl(4) stannic chloride hydrolyses in dilute solution as per given r...

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  17. Amphoteric oxide (X) + 3C+ Cl(2) to Poisonous gas + anhydrous chloride...

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  18. When a solution of sodium hydroxide is addeed in excess to the solutio...

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  19. BF(3) on hydrolysis forms

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  20. Preparation of organosilicones from SiCl(4) involves substituion in fi...

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