MCQ
Variable valency in general, is exhibited by
- ✓Transition elements
- BGaseous elements
- CNon-metals
- D$s$-block elements
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Assertion $(A)$: Cis form of alkene is found to be more polar than the trans form
Reason $(R)$: Dipole moment of trans isomer of $2$-butene is zero.
In the light of the above statements, choose the correct answer from the options given below :