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(A) : Equivalent weight of Cu in CuO is ...

(A) : Equivalent weight of Cu in CuO is 63.6 and in `Cu_(2)O` is 31.8.
(R) : Equivalent weight of an element `=("Atomic weight of an element")/("Valency of the element")`

A

Both A and R are true and R is the correct explanation

B

Both A and R are true but R is not the correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
  1. In acidic medium dichromate ion oxidises ferrous ion to ferric ion. If...

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  2. The equivalent weight of hypo in the reaction [M is molecular weight] ...

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  3. (A) : Equivalent weight of Cu in CuO is 63.6 and in Cu(2)O is 31.8. ...

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  4. The equivalent of iodine in the reaction 2Na(2)S(2)O(3)+I(2)rarr 2NaI+...

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  5. The equivalent weight of glucose in the reaction C(6)H(12)O(6)+6O(2)ra...

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  6. {:("Medium of","Equivalent weight"),("reaction","of "KMnO(4)),("A) Aci...

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  7. The number of millimoles of H(2)SO(4) present in 5 litres of 0.2N H(2)...

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  8. The number of Glucose molecules present in 10 ml of decimolar solution...

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  9. 0.1 gram mole of urea is dissolved in 100g. of water. The molality of ...

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  10. Aqueous NaOH solution is labelled as 10% by weight mole fraction of th...

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  11. 6 g. of Urea is dissolved in 90 g. of water. The mole fraction of solu...

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  12. {:("LIST - 1","LIST - 2"),("(Moleules)","(Empirical formula)"),("A) Gl...

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  13. A compound contains carbon and hydrogen in the mass ratio 3:1. The for...

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  14. Assertion A: Empiricial formula of glucose or that of acetic acid is C...

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  15. The percentage of oxygen in NaOH is

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  16. The empirical formula of acetic acid is the same as that of

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  17. A compound contains 90% C and 10% H. The empirical formula of the comp...

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  18. 0.14 g of an element on combustion gives 0.28 g of its oxide. What is ...

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  19. (A): Oxidation state of carbon in C(6)H(12)O(6) is zero. (R) : Oxida...

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  20. Oxidation state of N in N(3)H is

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