1
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
2
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
$$O_2^{+}$$ < $$O_2$$ < $$O_2^-$$ < $$O_2^{2-}$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
For an ideal gas, number of moles per litre in terms of its pressure P, gas constant R and temperature T is
A
PT/R
B
PRT
C
P/RT
D
RT/P
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Value of gas constant R is
A
0.082 litre atm
B
0.987 cal mol-1 K-1
C
8.3 J mol-1 K-1
D
83 erg mol-1 K-1
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