01. Periodic Laws
Classification of Elements and Periodicity in Properties

89364 Which of the following has octet around central atom?

1 $\mathrm{PF}_5$
2 $\mathrm{SF}_6$
3 $\mathrm{CCl}_4$
4 $\mathrm{BF}_3$
Classification of Elements and Periodicity in Properties

89381 Which of the following properties of lithium does not show diagonal relationship with magnesium?

1 Formation of $\mathrm{Li}^{+}$ion
2 Formation of $\mathrm{Li}_3 \mathrm{~N}$
3 Solubility of $\mathrm{LiHCO}_3$
4 Thermal decomposition of $\mathrm{Li}_2 \mathrm{CO}_3$
Classification of Elements and Periodicity in Properties

89386 Pick out the statement(s) which is (are) not true about the diagonal relationship of $\mathrm{Li}$ and $\mathrm{Mg}$ :
(i) polarizing powers of $\mathrm{Li}^{+}$and $\mathrm{Mg}^{2+}$ are almost same
(ii) like $\mathrm{Li}, \mathrm{Mg}$ decomposes water very fast
(iii) $\mathbf{L i C l}$ and $\mathbf{M g C l}_{\mathbf{2}}$ are deliquescent
(iv) like $\mathrm{Li}, \mathrm{Mg}$ do not form solid bicarbonates

1 (i) and (ii)
2 (ii) and (iii)
3 only (ii)
4 only (i)
5 (ii) and (iv)
Classification of Elements and Periodicity in Properties

89387 The cause of diagonal relationship is

1 Similar electronegativities
2 Similar ionic or atomic radii
3 Similar polarizing power of ions
4 All the three
Classification of Elements and Periodicity in Properties

89364 Which of the following has octet around central atom?

1 $\mathrm{PF}_5$
2 $\mathrm{SF}_6$
3 $\mathrm{CCl}_4$
4 $\mathrm{BF}_3$
Classification of Elements and Periodicity in Properties

89381 Which of the following properties of lithium does not show diagonal relationship with magnesium?

1 Formation of $\mathrm{Li}^{+}$ion
2 Formation of $\mathrm{Li}_3 \mathrm{~N}$
3 Solubility of $\mathrm{LiHCO}_3$
4 Thermal decomposition of $\mathrm{Li}_2 \mathrm{CO}_3$
Classification of Elements and Periodicity in Properties

89386 Pick out the statement(s) which is (are) not true about the diagonal relationship of $\mathrm{Li}$ and $\mathrm{Mg}$ :
(i) polarizing powers of $\mathrm{Li}^{+}$and $\mathrm{Mg}^{2+}$ are almost same
(ii) like $\mathrm{Li}, \mathrm{Mg}$ decomposes water very fast
(iii) $\mathbf{L i C l}$ and $\mathbf{M g C l}_{\mathbf{2}}$ are deliquescent
(iv) like $\mathrm{Li}, \mathrm{Mg}$ do not form solid bicarbonates

1 (i) and (ii)
2 (ii) and (iii)
3 only (ii)
4 only (i)
5 (ii) and (iv)
Classification of Elements and Periodicity in Properties

89387 The cause of diagonal relationship is

1 Similar electronegativities
2 Similar ionic or atomic radii
3 Similar polarizing power of ions
4 All the three
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Classification of Elements and Periodicity in Properties

89364 Which of the following has octet around central atom?

1 $\mathrm{PF}_5$
2 $\mathrm{SF}_6$
3 $\mathrm{CCl}_4$
4 $\mathrm{BF}_3$
Classification of Elements and Periodicity in Properties

89381 Which of the following properties of lithium does not show diagonal relationship with magnesium?

1 Formation of $\mathrm{Li}^{+}$ion
2 Formation of $\mathrm{Li}_3 \mathrm{~N}$
3 Solubility of $\mathrm{LiHCO}_3$
4 Thermal decomposition of $\mathrm{Li}_2 \mathrm{CO}_3$
Classification of Elements and Periodicity in Properties

89386 Pick out the statement(s) which is (are) not true about the diagonal relationship of $\mathrm{Li}$ and $\mathrm{Mg}$ :
(i) polarizing powers of $\mathrm{Li}^{+}$and $\mathrm{Mg}^{2+}$ are almost same
(ii) like $\mathrm{Li}, \mathrm{Mg}$ decomposes water very fast
(iii) $\mathbf{L i C l}$ and $\mathbf{M g C l}_{\mathbf{2}}$ are deliquescent
(iv) like $\mathrm{Li}, \mathrm{Mg}$ do not form solid bicarbonates

1 (i) and (ii)
2 (ii) and (iii)
3 only (ii)
4 only (i)
5 (ii) and (iv)
Classification of Elements and Periodicity in Properties

89387 The cause of diagonal relationship is

1 Similar electronegativities
2 Similar ionic or atomic radii
3 Similar polarizing power of ions
4 All the three
Classification of Elements and Periodicity in Properties

89364 Which of the following has octet around central atom?

1 $\mathrm{PF}_5$
2 $\mathrm{SF}_6$
3 $\mathrm{CCl}_4$
4 $\mathrm{BF}_3$
Classification of Elements and Periodicity in Properties

89381 Which of the following properties of lithium does not show diagonal relationship with magnesium?

1 Formation of $\mathrm{Li}^{+}$ion
2 Formation of $\mathrm{Li}_3 \mathrm{~N}$
3 Solubility of $\mathrm{LiHCO}_3$
4 Thermal decomposition of $\mathrm{Li}_2 \mathrm{CO}_3$
Classification of Elements and Periodicity in Properties

89386 Pick out the statement(s) which is (are) not true about the diagonal relationship of $\mathrm{Li}$ and $\mathrm{Mg}$ :
(i) polarizing powers of $\mathrm{Li}^{+}$and $\mathrm{Mg}^{2+}$ are almost same
(ii) like $\mathrm{Li}, \mathrm{Mg}$ decomposes water very fast
(iii) $\mathbf{L i C l}$ and $\mathbf{M g C l}_{\mathbf{2}}$ are deliquescent
(iv) like $\mathrm{Li}, \mathrm{Mg}$ do not form solid bicarbonates

1 (i) and (ii)
2 (ii) and (iii)
3 only (ii)
4 only (i)
5 (ii) and (iv)
Classification of Elements and Periodicity in Properties

89387 The cause of diagonal relationship is

1 Similar electronegativities
2 Similar ionic or atomic radii
3 Similar polarizing power of ions
4 All the three