Assertion (A) : - All the carbon atoms in $H_{2}C=C=C{H}_2$  are $S{P}^2$ hybridized

Reason (R) :- In this molecule all the carbon atoms are attached to each other by double bonds

Both A & R are correct ,R is the correct explanation of A.

Both A & R are correct ,R is not the correct explanation of A.

A is correct but R is false

A is not correct but R is correct