1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The bond dissociation energies of X2
, Y2
and
XY are in the ratio of 1 : 0.5 : 1. $$\Delta $$H for the
formation of XY is –200 kJ mol–1. The bond
dissociation energy of X2
will be
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
In the structure of ClF3
, the number of lone
pairs of electrons on central atom ‘Cl’ is
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The solubility of BaSO4
in water is
2.42 × 10–3 g L–1 at 298 K. The value of its
solubility product (Ksp) will be (Given molar
mass of BaSO4
= 233 g mol–1)
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Following solutions were prepared by mixing
different volumes of NaOH and HCl of different
concentrations :
A. 60 mL $${M \over {10}}$$ HCl + 40 mL $${M \over {10}}$$ NaOH
B. 55 mL $${M \over {10}}$$ HCl + 45 mL $${M \over {10}}$$ NaOH
C. 75 mL $${M \over {5}}$$ HCl + 25 mL $${M \over {5}}$$ NaOH
D. 100 mL $${M \over {10}}$$ HCl + 100 mL $${M \over {10}}$$ NaOH
pH of which one of them will be equal to 1?
A. 60 mL $${M \over {10}}$$ HCl + 40 mL $${M \over {10}}$$ NaOH
B. 55 mL $${M \over {10}}$$ HCl + 45 mL $${M \over {10}}$$ NaOH
C. 75 mL $${M \over {5}}$$ HCl + 25 mL $${M \over {5}}$$ NaOH
D. 100 mL $${M \over {10}}$$ HCl + 100 mL $${M \over {10}}$$ NaOH
pH of which one of them will be equal to 1?
Paper analysis
Total Questions
Biology
79
Chemistry
36
Physics
43
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