1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following species the interatomic bond angle is 109o28' ?
A
NH3, BF4-
B
NH4+, BF4-
C
NH3, BF3
D
NH2-1, BF3
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Hybridisation of underline atom changes in
A
$$\underline {Al} {H_3}$$ changes to $$AlH_4^-$$
B
$${H_2}\underline O $$ changes to $$H_3O^+$$
C
$$\underline N {H_3}$$ changes to $$NH_4^+$$
D
in all cases
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following are arranged in an increasing order of their bond strengths?
A
$$O_2^-$$ < O2 < $$O_2^+$$ < $$O_2^{2-}$$
B
$$O_2^{2-}$$ < $$O_2^-$$ < $$O_2$$ < $$O_2^{+}$$
C
$$O_2^-$$ < $$O_2^{2-}$$ < $$O_2$$ < $$O_2^{+}$$
D
$$O_2^{+}$$ < $$O_2$$ < $$O_2^-$$ < $$O_2^{2-}$$
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Acetylene does not react with :
A
$\mathrm{Na}$
B
ammoniacal $\mathrm{AgNO}_3$
C
$\mathrm{HCl}$
D
$\mathrm{NaOH}$
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12