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Action of Water on Calcium Carbide

Question

Which of the following gives propyne on hydrolysis?
$B_{4} C$
$A l_{4} C_{3}$
$L a_{4} C_{3}$
$M g_{2} C_{3}$

A

L a_{4} C_{3}

B

B_{4} C

C

A l_{4} C_{3}

D

M g_{2} C_{3}

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Solution

Verified by Toppr

$M g_{2} C_{3}$ on hydrolysis gives propyne and $M g (O H)_{2} .$

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Similar Questions

Q1

Which of the following gives propyne on hydrolysis?

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Q2

The carbide which gives propyne on hydrolysis is :

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Q3

One mole each of

C a C_{2}, A l_{4} C_{3} a n d M g_{2} C_{3}

react with

H_{2} O

in separate open flasks at

25^{o} C .

Numerical value of the work done by the system is in the order:
Given reactions:

C a C_{2} (s) + 2 H_{2} O (l) \to C a (O H)_{2} (s) + C_{2} H_{2} (g)

A l_{4} C_{3} (s) + 12 H_{2} O (l) \to 4 A l (O H)_{3} (s) + 3 C H_{4} (g)

M g_{2} C_{3} (s) + 4 H_{2} O (l) \to 2 M g (O H)_{2} (s) + C H_{3} - C \equiv C H (g)

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Q4

A l_{4} C_{3}

on hydrolysis gives

X

gas. How many

H

atoms are present in

X

molecule?

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Q5

Which of the following gives CH₄on hydrolysis?

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