MCQ
The $H - C - H$ bond angle in $C{H_4}$ is
- ✓${109^o}28'$
- B${107^o}28'$
- C${90^o}$
- D${180^o}$
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$(A)$ $NF _3$ molecule has a trigonal planar structure.
$(B)$ Bond length of $N _2$ is shorter than $O _2$.
$(C)$ Isoelectronic molecules or ions have identical bond order.
$(D)$ Dipole moment of $H _2 S$ is higher than that of water molecule.
Choose the correct answer from the option below:
$1.\,\,CH_3-C \equiv C -CH_3$
$2.\,\,CH_3 - CH_2 - CH_2 - CH_3$
$3. \,\,CH_3 - CH_2C \equiv CH$
$4.\,\,CH_3 - CH = CH_2$

