SRMJEE 2017 Paper with key

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Question : 54 of 155

Marks: +1, -0

The correct order of increasing basicity of the given conjugate bases (R=CH3) is

RCOO−<HC≡C−<R−<NH2
R−<HC≡C−<RCOO−<NH2‌−
RCOO−<NH2−<HC≡C−<R−
RCOO−<HC≡C−<NH2−<R−

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