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NEET Chemistry Solved Question Paper 2016

Multiple Choice Questions

41.

In the reaction,

$straight H minus straight C identical to CH space rightwards arrow from left parenthesis ii right parenthesis space CH subscript 3 CH subscript 2 Br to left parenthesis straight i right parenthesis space NaNH subscript 2 divided by liq. NH subscript 3 of space straight X space space space space space space space space space space space space space space space space space space straight X space rightwards arrow from left parenthesis ii right parenthesis space CH subscript 3 CH subscript 2 Br to left parenthesis straight i right parenthesis NaNH subscript 2 divided by liq. NH subscript 3 of space straight Y$
X and Y are

X=2-butyne; Y= 3-hexyne
X=2-butyne;Y=2-hexyne
X=1-butyne ;Y = 2-hexyne
X=1-butyne ;Y = 2-hexyne

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42.

Consider the nitration of benzene using mixed conc. H₂SO₄ and HNO₃. If a large amount of KHSO₄ is added to the mixture, the rate of nitration will be

slower
uncharge
doubled
doubled

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43.

The correct statement regarding RNA and DNA, respectively is

The sugar component in RNA is ribose and sugar component in DNA is 2' deoxyribose
The sugar component in RNA is arabinose and the sugar component in DNA is ribose
The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose
The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose

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