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question_answer1)
Which species has the maximum number of lone pair of electrons on the central atom? [IIT 2005]
A)
[ClO3]- done
clear
B)
XeF4 done
clear
C)
SF4 done
clear
D)
[I3]- done
clear
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question_answer2)
A simple example of a coordinate covalent bond is exhibited by [NCERT 1984]
A)
\[{{C}_{2}}{{H}_{2}}\] done
clear
B)
\[{{H}_{2}}S{{O}_{4}}\] done
clear
C)
\[{{H}_{2}}O\] done
clear
D)
\[HCl\] done
clear
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question_answer3)
The bond that exists between \[N{{H}_{3}}\] and \[B{{F}_{3}}\]is called [AFMC 1982; MP PMT 1985; MNR 1994; KCET 2000; MP PET 2001; UPSEAT 2001]
A)
Electrovalent done
clear
B)
Covalent done
clear
C)
Coordinate done
clear
D)
Hydrogen done
clear
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question_answer4)
Which of the following does not have a coordinate bond [MADT Bihar 1984]
A)
\[S{{O}_{2}}\] done
clear
B)
\[HN{{O}_{3}}\] done
clear
C)
\[{{H}_{2}}S{{O}_{3}}\] done
clear
D)
\[HN{{O}_{2}}\] done
clear
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question_answer5)
Coordinate covalent compounds are formed by [CPMT 1990, 94]
A)
Transfer of electrons done
clear
B)
Sharing of electrons done
clear
C)
Donation of electrons done
clear
D)
None of these process done
clear
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question_answer6)
In the coordinate valency [CPMT 1989]
A)
Electrons are equally shared by the atoms done
clear
B)
Electrons of one atom are shared with two atoms done
clear
C)
Hydrogen bond is formed done
clear
D)
None of the above done
clear
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question_answer7)
Which of the following contains a coordinate covalent bond [MNR 1990; IIT 1986]
A)
\[{{N}_{2}}{{O}_{5}}\] done
clear
B)
\[BaC{{l}_{2}}\] done
clear
C)
\[HCl\] done
clear
D)
\[{{H}_{2}}O\] done
clear
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question_answer8)
A coordinate bond is formed when an atom in a molecule has [CBSE PMT 1992]
A)
Electric charge on it done
clear
B)
All its valency electrons shared done
clear
C)
A single unshared electron done
clear
D)
One or more unshared electron pair done
clear
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question_answer9)
Which has a coordinate bond [RPMT 1997]
A)
\[SO_{3}^{2-}\] done
clear
B)
\[C{{H}_{4}}\] done
clear
C)
\[C{{O}_{2}}\] done
clear
D)
\[N{{H}_{3}}\] done
clear
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question_answer10)
The compound containing co-ordinate bond is [AFMC 1999; Pb. CET 2002]
A)
\[{{O}_{3}}\] done
clear
B)
\[S{{O}_{3}}\] done
clear
C)
\[{{H}_{2}}S{{O}_{4}}\] done
clear
D)
All of these done
clear
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question_answer11)
The number of dative bonds in sulphuric acid molecules is [MP PET 2002]
A)
0 done
clear
B)
1 done
clear
C)
2 done
clear
D)
4 done
clear
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question_answer12)
Which of the following compounds has coordinate (dative) bond [RPET 2003]
A)
\[C{{H}_{3}}NC\] done
clear
B)
\[C{{H}_{3}}OH\] done
clear
C)
\[C{{H}_{3}}Cl\] done
clear
D)
\[N{{H}_{3}}\] done
clear
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question_answer13)
The structure of orthophosphoric acid is [KCET 2003]
A)
\[H-O-\overset{\,O\,}{\mathop{\underset{H}{\mathop{\underset{|\,}{\mathop{\underset{\,O\,}{\mathop{\underset{|\,}{\overset{\uparrow \,}{\mathop{P}}}\,}}\,}}\,}}\,}}\,-O-H\] done
clear
B)
\[O\leftarrow \underset{\,H\,}{\mathop{\underset{|\,}{\mathop{\underset{\,O\,}{\overset{\,H\,}{\mathop{\underset{|\,}{\overset{|}{\mathop{P}}}\,}}}\,}}\,}}\,-O-H\] done
clear
C)
\[O\leftarrow \underset{H\,}{\overset{H}{\mathop{\underset{|\,\,\,}{\overset{|\,\,}{\mathop{P\,}}}\,}}}\,-O-H\]\[\] done
clear
D)
\[H-O-\overset{\,O}{\mathop{\overset{\uparrow }{\mathop{P}}\,}}\,=O\]\[\] done
clear
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question_answer14)
What is the nature of the bond between B and O in \[{{({{C}_{2}}{{H}_{5}})}_{2}}OB{{H}_{3}}\] [Orissa JEE 2003]
A)
Covalent done
clear
B)
Co-ordinate covalent done
clear
C)
Ionic bond done
clear
D)
Banana shaped bond done
clear
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question_answer15)
Sulphuric acid provides a example of [Kerala CET (Med.) 2002]
A)
Co-ordinate bonds done
clear
B)
Non-covalent compound done
clear
C)
Covalent and co-ordinate bond done
clear
D)
Non-covalent ion done
clear
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