RRB Group-D Model Paper 20 with answers for online practice

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Question : 66 of 100

Marks: +1, -0

What is the chemical symbol of acetylene gas?

$C_2H_2$
$CH_3$
$C_3H_2$
$CH_2$

Solution:

Acetylene or ethyne is a hydrocarbon and the simplest alkyne chemical compound with the formula $C_2H_2$ .
Acetylene is also called Narcylen or Vinylene
It has two carbon atoms are bonded together in a triple bond.
Shape: Linear, Hybridization Type: sp.

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