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Trends in group 13 and group 14

36 questions on Trends in group 13 and group 14 from the p-Block Elements: Groups 13 and 14 chapter: 8 NEET level, 13 JEE Main, 15 JEE Advanced. Each one opens with its answer and solution.

Practice this topic All p-Block Elements: Groups 13 and 14 topics

Which of the following group 13 elements is a non-metal? NEET level
The most stable oxidation state of thallium in its compounds is NEET level
Graphite conducts electricity along its layers because NEET level
In diamond, the hybridisation of each carbon atom and the number of carbon neighbours around it are respectively NEET level
The first ionisation enthalpy of gallium is slightly higher than that of aluminium, although Ga lies below Al. The best reason is JEE Main level
The tendency of catenation decreases in the order C gg Si > Ge approx Sn > Pb in group 14. The main reason is JEE Main level
Which one of the following oxides is amphoteric? JEE Main level
PbO2 is a strong oxidising agent whereas SnCl2 is a good reducing agent. Both facts are best explained by JEE Main level
Select the correct statement(s) about group 13 elements. JEE Main level
Select the correct statement(s) about allotropes of carbon. JEE Main level
Assertion (A): PbCl4 is unstable and decomposes on gentle warming to PbCl2 and Cl2. Reason (R): Because of the inert pair effect, the +2 oxidation state is more... JEE Advanced level
Match Column I (oxide) with Column II (description). Column I: P: CO; Q: SiO2; R: SnO2; S: CO2. Column II: 1: amphoteric; 2: neutral oxide; 3: three-dimensional... JEE Advanced level
Consider these statements: (i) germanium is a metalloid; (ii) tin shows allotropy (grey and white forms); (iii) the +4 state is more stable than the +2 state fo... JEE Advanced level
Hydrolysis and condensation of a mixture of 18 mol of (CH3)2SiCl2 and 4 mol of (CH3)3SiCl gives only linear silicone molecules of the type (CH3)3Si-[O-Si(CH3)2]... JEE Advanced level
Arrange the species CO, CO2 and CO3^2- in increasing order of C-O bond length. JEE Advanced level
3.7 g of Ca(OH)2 is present in water as lime water. CO2 is bubbled in until the initially formed milkiness just disappears. Taking Ca=40, C=12, O=16, H=1, the m... JEE Advanced level
Select the correct statement(s) about group 14 compounds. JEE Advanced level
Select the correct statement(s). JEE Advanced level
Which of the following group 13 elements is a metalloid? NEET level
The hybridisation of each carbon atom in graphite is NEET level
The +1 oxidation state is most stable for which element of group 13? NEET level
Which of the following oxides is neutral? NEET level
The correct order of decreasing catenation tendency in group 14 is JEE Main level
Which of the following is a strong oxidising agent, oxidising conc. HCl to Cl2? JEE Main level
The first ionisation enthalpy of Ga (579 kJ/mol) is slightly higher than that of Al (577 kJ/mol) mainly because JEE Main level
Which tetrachloride is NOT hydrolysed by water at room temperature? JEE Main level
Which pair consists of two amphoteric oxides? JEE Main level
Among the boron trihalides, the weakest Lewis acid is JEE Main level
Consider the statements. I: Boron forms mainly covalent compounds. II: AlCl3 exists as the dimer Al2Cl6 in the vapour phase and in non-polar solvents. III: Tl+ ... JEE Main level
Assertion (A): PbCl4 is less stable than PbCl2 and decomposes on gentle heating to PbCl2 and Cl2. Reason (R): The 6s^2 electrons of Pb are held tightly (inert p... JEE Advanced level
Match Column I with Column II. Column I: (P) Tl, (Q) Sn, (R) graphite, (S) BF3. Column II: (1) most stable oxidation state is +1, (2) layered sp2 carbon that co... JEE Advanced level
On the basis of the inert pair effect, the correct order of reducing power of the divalent ions is JEE Advanced level
Each carbon of C60 is bonded to three other carbons and, in the usual Kekule structure, takes part in exactly one double bond. The number of C-C single bonds in... JEE Advanced level
Select the correct statement(s) about group 14. JEE Advanced level
Select the correct statement(s) about group 13. JEE Advanced level
Select the correct statement(s) about carbon allotropes. JEE Advanced level