Which of the following compound does not produce oxyacid of central atom on hydrolysis?
(1)
(2)
(3)
(4)
The false statement regarding hydrides from the 15th group is:
1. | NH3 > PH3 > AsH3 > SbH3 > BiH3 | Thermal stability |
2. | N-H > P-H > As-H > Sb-H > Bi-H | E-H bond dissociation enthalpy |
3. | NH3 > PH3 > AsH3 > SbH3 > BiH3 | Reducing character |
4. | NH3 > PH3 > AsH3 > SbH3 > BiH3 | Basicity |
A non-metal M forms but does not form . Then incorrect statement regarding non-metal M is:
(a) M can form multiple bond
(b) M is of second period element
(c) Atomicity of non-metal is 4
(d) The range of oxidation number for M is +5 to -3
The correct order of bond length in the following oxyanion is :
(I) (II) (III)
(a) IIIIII (b) IIIIII
(c) IIIIII (d) IIIIII
In which of the following reaction product does not contain 'Peroxy' linkage?
1.
2.
3.
4. None of these
Consider the following statements in respect of oxides of sulphur.
(1) In gas phase molecule is V-shape.
(2) In gas phase molecule is planar.
(3) is cyclic trimer.
Which of the above statements are correct ?
(1) 1 and 2 only
(2) 2 and 3 only
(3) 1 and 3 only
(4) 1, 2 and 3
The gas that cannot be collected over water is:
1.
2.
3.
4.
One gas bleaches the colour of flowers by reduction, while the other gas bleaches by oxidation. The two gases, respectively, are:
1.
2.
3.
4.
Which of the following halides cannot be hydrolysed at room temperature?
(1)
(2)
(3)
(4)
Which parent oxy acid does not have its own hypo acid?
1. H2SO2
2. HNO2
3. H3PO3
4. HClO3