Bond Parameters
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313440 The correct increasing order for bond angles among \({\mathrm{\mathrm{BF}_{3}, \mathrm{PF}_{3}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\) is

1 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{PF}_{3} < \mathrm{BF}_{3}}}\)
2 \({\mathrm{\mathrm{BF}_{3}=\mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
3 \({\mathrm{\mathrm{PF}_{3} < \mathrm{BF}_{3} < \mathrm{ClF}_{3}}}\)
4 \({\mathrm{\mathrm{BF}_{3} < \mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313441 The decreasing order of bond angles in \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{P}}{{\rm{F}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{I}}_{\rm{3}}^{\rm{ - }}\) is :

1 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}\)
4 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313442 The decreasing order of bond angle in the following molecules is

1 \(\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{3}>\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{CH}_{4}>\mathrm{NH}_{3}>\mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}>\mathrm{CH}_{4}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313443 Bond angle in \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) is more than that of \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) This is because

1 \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) has square planar structure
2 \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) has planar trigonal structure
3 hybridisation of P changes when \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) is converted to \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\)
4 lone pair - bond pair repulsion exists in \({\rm{P}}{{\rm{H}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313440 The correct increasing order for bond angles among \({\mathrm{\mathrm{BF}_{3}, \mathrm{PF}_{3}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\) is

1 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{PF}_{3} < \mathrm{BF}_{3}}}\)
2 \({\mathrm{\mathrm{BF}_{3}=\mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
3 \({\mathrm{\mathrm{PF}_{3} < \mathrm{BF}_{3} < \mathrm{ClF}_{3}}}\)
4 \({\mathrm{\mathrm{BF}_{3} < \mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313441 The decreasing order of bond angles in \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{P}}{{\rm{F}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{I}}_{\rm{3}}^{\rm{ - }}\) is :

1 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}\)
4 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313442 The decreasing order of bond angle in the following molecules is

1 \(\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{3}>\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{CH}_{4}>\mathrm{NH}_{3}>\mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}>\mathrm{CH}_{4}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313443 Bond angle in \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) is more than that of \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) This is because

1 \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) has square planar structure
2 \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) has planar trigonal structure
3 hybridisation of P changes when \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) is converted to \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\)
4 lone pair - bond pair repulsion exists in \({\rm{P}}{{\rm{H}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313440 The correct increasing order for bond angles among \({\mathrm{\mathrm{BF}_{3}, \mathrm{PF}_{3}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\) is

1 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{PF}_{3} < \mathrm{BF}_{3}}}\)
2 \({\mathrm{\mathrm{BF}_{3}=\mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
3 \({\mathrm{\mathrm{PF}_{3} < \mathrm{BF}_{3} < \mathrm{ClF}_{3}}}\)
4 \({\mathrm{\mathrm{BF}_{3} < \mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313441 The decreasing order of bond angles in \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{P}}{{\rm{F}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{I}}_{\rm{3}}^{\rm{ - }}\) is :

1 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}\)
4 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313442 The decreasing order of bond angle in the following molecules is

1 \(\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{3}>\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{CH}_{4}>\mathrm{NH}_{3}>\mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}>\mathrm{CH}_{4}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313443 Bond angle in \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) is more than that of \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) This is because

1 \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) has square planar structure
2 \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) has planar trigonal structure
3 hybridisation of P changes when \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) is converted to \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\)
4 lone pair - bond pair repulsion exists in \({\rm{P}}{{\rm{H}}_{\rm{3}}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313440 The correct increasing order for bond angles among \({\mathrm{\mathrm{BF}_{3}, \mathrm{PF}_{3}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\) is

1 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{PF}_{3} < \mathrm{BF}_{3}}}\)
2 \({\mathrm{\mathrm{BF}_{3}=\mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
3 \({\mathrm{\mathrm{PF}_{3} < \mathrm{BF}_{3} < \mathrm{ClF}_{3}}}\)
4 \({\mathrm{\mathrm{BF}_{3} < \mathrm{PF}_{3} < \mathrm{ClF}_{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313441 The decreasing order of bond angles in \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{P}}{{\rm{F}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{I}}_{\rm{3}}^{\rm{ - }}\) is :

1 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{B}}{{\rm{F}}_{\rm{3}}}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > I}}_{\rm{3}}^{\rm{ - }}\)
4 \({\rm{I}}_{\rm{3}}^{\rm{ - }}{\rm{ > N}}{{\rm{H}}_{\rm{3}}}{\rm{ > P}}{{\rm{F}}_{\rm{3}}}{\rm{ > B}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313442 The decreasing order of bond angle in the following molecules is

1 \(\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{3}>\mathrm{CH}_{4}>\mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{CH}_{4}>\mathrm{NH}_{3}>\mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{H}_{2} \mathrm{O}>\mathrm{NH}_{3}>\mathrm{CH}_{4}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313443 Bond angle in \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) is more than that of \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) This is because

1 \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\) has square planar structure
2 \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) has planar trigonal structure
3 hybridisation of P changes when \({\rm{P}}{{\rm{H}}_{\rm{3}}}\) is converted to \({\rm{PH}}_{\rm{4}}^{\rm{ + }}\)
4 lone pair - bond pair repulsion exists in \({\rm{P}}{{\rm{H}}_{\rm{3}}}\)