Question 2 :
Which of the following is the correct statement for red lead ?<br>
Question 3 :
Group 16 elements have lower value of first ionizations enthalpy as compared to group 15 elements because <br>
Question 5 :
Heating an aqueous solution of aluminium chloride to dryness will give :<br>
Question 9 :
Which of the following statement is not correct about the structure of <img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/JEE%20Main/5e79f98127ab877bb86912f1' height='24' width='45' ><br>
Question 10 :
The hydroxide of which metal ion is soluble in excess of sodium hydroxide solution :<br>
Question 11 :
In the ostwald's process, nitric acid is prepared by the catalytic oxidation of :<br>
Question 12 :
Boron has an exceptionally high melting point in the group 13<sup>th</sup> elements, because -<br>
Question 13 :
Precipitation of Al3+ (aq) as Al(OH)<sub>3</sub> by CO<sub>2</sub> shows that :<br>
Question 18 :
The element which forms oxides in all oxidation states + Ι to + V is<br>
Question 22 :
Hydrogen bonding does not play role in the boiling point of :<br>
Question 23 :
Because <img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/JEE%20Main/5e79fe6a3a409b7b2cc8b624' height='23' width='179' > all absorb water from the atmospheric moisture.<br>
Question 26 :
Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is :<br>
Question 30 :
H<sub>2</sub>S gas can be obtained by the action of water on:<br>
Question 32 :
Which one of the following properties is not shown by NO?
Question 35 :
Which silicon compound is used in machinery (with moving parts) in a manner similar to the use of an allotrope of carbon (crystalline) which possesses properties of both a covalent network solid and a molecular solid ?<br>
Question 36 :
Water transported through lead pipes becomes poisonous due to the formation of :<br>
Question 37 :
Beyllium and aluminium exhibit many properties which are similar. But, the two elements differ in
Question 40 :
In the following reaction : B (OH)<sub>3</sub> + H<sub>2</sub>O<img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/JEE%20Main/5e79f714fb5c8e7b0478896c' height='15' width='20' >[B(OH)4]- + H+:<br>
Question 42 :
Which of the following is not true regarding the nature of halides of boron? <br>
Question 43 :
What is the colour of a solution of $\mathrm { Al } _ { 2 } \left( \mathrm { SO } _ { 4 } \right) _ { 3 }$ in water?
Question 44 :
The metal that cannot be produced on reduction of its oxide by aluminium is -<br>
Question 45 :
Which of the following metals does not show inert pair effect? <br>
Question 46 :
Each of the following is true for white and red phosphours except that they <br>
Question 47 :
Which statement is correct with respect to the property of the elements with increase in atomic number in the carbon family ?<br>
Question 48 :
The substance used as a fast drying agent in the laboratory is :<br>