S AND P BLOCK ELEMENTS

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Created on By buzzerkings

S AND P BLOCK ELEMENTS

1 / 33

When NaCl is dissolved in water, the sodium ion is:

2 / 33

Commonly used laboratory desiccant is: 

3 / 33

Which of the following alkali metal emits light of longest wavelength in the flame test?

4 / 33

Washing soda is:

5 / 33

The metal used for blood coagulation is:

6 / 33

Which of the following metals is present in chlorophyll?

7 / 33

Which of the following statement about Na2O2 is not correct?

8 / 33

In which of following cases is the value of x maximum?

9 / 33

One mole of magnesium nitride on the reaction with an excess of water gives: 

10 / 33

The solubility of carbonates decrease down the magnesium group due to a decrease in:

11 / 33

Magnesium burns in air to give:

12 / 33

Which of the alkaline earth metal halides given below is essentially covalent in nature?

13 / 33

Which of the alkaline earth metal halides given below is essentially covalent in nature?

14 / 33

Which of the following oxides is neutral?

15 / 33

The acidic character of the following oxides of non-metals (S, Cl and Si) follows the order:

16 / 33

Which of following set of oxides is amphoteric in nature? 

17 / 33

Which of the following has the highest first ionization enthalpy?

18 / 33

The electron affinity of nitrogen is lower than that of carbon because:

19 / 33

In a given energy level, the order of penetration effect of different orbitals is:

20 / 33

Ionization potential of phosphorus is greater than that of sulphur because: 

21 / 33

Ionization potential does not depend upon:

22 / 33

Ease of formation of the anion is favoured by:

23 / 33

Which of the following order for ionization enthalpy is correct?

24 / 33

The electronegativity of H, O and X are 2.1, 3.5 and 0.7, respectively. The correct nature of compound X-O-H is: 

25 / 33

If electronegativity of A is 2.0 and that of B is 3.0, what is the covalent character percentage of the bond A-B?

26 / 33

In which of the following arrangements, the sequence is not strictly according to the property written against it?

27 / 33

Which has minimum hydration enthalpy?

28 / 33

Polarization of ions is governed by: 

29 / 33

Elements of which family form anions most readily?

30 / 33

Which of the following processes is endothermic in nature?

31 / 33

Which one of the following ions has the highest value of ionic radius?

32 / 33

The increasing order of the ionic radii of the given isoelectronic species is:

33 / 33

The ionic mobility of alkali metal ions in an aqueous solution is maximum for:

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