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(A): Nitrogen in hydrazine hydroxylamine...

(A): Nitrogen in hydrazine hydroxylamine cannot be detected by 'Lassaigne's test'
(R ): In the Lassaigne's extraction preparation with `N_(2)H_(4) and NH_(2)OH`, NaCN cannot be formed due to absence of carbon in these compounds

A

A and R are true, R explains A

B

A and R are true, R does not explain A

C

A is true, but R is false

D

A is false, but R is true

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The correct Answer is:
A
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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Objective Exercise -1
  1. A mixture of benzene and toulene can be separated by

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  2. A miscible mixture of C(6)H(6) + CHCl(3) can be separated by

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  3. (A): Nitrogen in hydrazine hydroxylamine cannot be detected by 'Lassai...

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  4. When Lassaigne's extract (Na(2)S) is acidified with acetic acid and th...

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  5. For detection of sulphur in an organic compound, sodium nitroprusside ...

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  6. ClCH(2)COOH is heated with fuming HNO(3) in the presence of AgNO(3) in...

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  7. In Lassaigne's test, thiourea is converted into

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  8. Which of the following reactions takes place in Lassaigne's test for t...

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  9. Which of the following compounds may give blood red colouration while ...

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  10. The correct match is

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  11. In Lassaigne's test, the organic compound is fused with sodium metal a...

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  12. In detection of CO(2), lime water turns milky due to formation of

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  13. In Lassaigne's test for nitrogen the blue colur is due to the formatio...

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  14. Lassaigne's test gives a violet colouration with sodium nitroprusside,...

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  15. Carbon and Hydrogen are estimated by

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  16. 0.4 g of an organic compound gave 0.188g of silver bromide by a haloge...

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  17. Match the reagents used for the detection of elements in organic compo...

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  18. In Kjeldahl's method, nitrogen present in the organic compond is first...

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  19. 0.302 g of organic compound gave 0.268g of silver bromide. The % of br...

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  20. The molecular formula of an organic compound is C(4)H(9)N. The volume ...

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