Taking stability as the factor, which one of the following represents correct relationship?
Electronic configuration and general trends, Group 13 and 14
Every question from past board papers on Electronic configuration and general trends, Group 13 and 14, newest paper first. Open any question for its full worked answer.
NEET UG 2023 question paper (official, booklet G6)
Full paper →-
-
Match List - I with List - II :
List - I: A. Coke B. Diamond C. Fullerene D. Graphite
List - II: I. Carbon atoms are sp\(^3\) hybridised. II. Used as a dry lubricant III. Used as a reducing agent IV. Cage like molecules
Choose the correct answer from the options given below :
-
Given below are two statements :
Statement I : The nutrient deficient water bodies lead to eutrophication.
Statement II : Eutrophication leads to decrease in the level of oxygen in the water bodies.
In the light of the above statements, choose the correct answer from the options given below :
NEET UG 2022 question paper (official, booklet R6)
Full paper →-
Which of the following statement is not correct about diborane ?
-
Choose the correct statement :
-
Match List - I with List - II.
List - I (Hydrides): (a) \(MgH_2\) (b) \(GeH_4\) (c) \(B_2H_6\) (d) HF
List - II (Nature): (i) Electron precise (ii) Electron deficient (iii) Electron rich (iv) Ionic
Choose the correct answer from the options given below :
NEET UG 2021 question paper (official, booklet M4)
Full paper →-
Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is :
NEET UG 2020 question paper (official, booklet E1)
Full paper →-
Identify the correct statements from the following :
(a) CO\(_2\)(g) is used as refrigerant for ice-cream and frozen food.
(b) The structure of C\(_{60}\) contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline.
(d) CO is colorless and odourless gas.
-
Which of the following is not correct about carbon monoxide ?
-
Match the following and identify the correct option.
(a) CO(g) + H\(_2\)(g) (i) Mg(HCO\(_3\))\(_2\) + Ca(HCO\(_3\))\(_2\)
(b) Temporary hardness of water (ii) An electron deficient hydride
(c) B\(_2\)H\(_6\) (iii) Synthesis gas
(d) H\(_2\)O\(_2\) (iv) Non-planar structure
NEET UG 2019 question paper (official, booklet P1)
Full paper →-
Among the following, the one that is not a green house gas is :
-
Which of the following is incorrect statement ?
-
Match the following :
(a) Pure nitrogen (i) Chlorine
(b) Haber process (ii) Sulphuric acid
(c) Contact process (iii) Ammonia
(d) Deacon's process (iv) Sodium azide or Barium azide
Which of the following is the correct option ?
-
Which of the following species is not stable ?
NEET UG 2018 question paper (official, booklet EE)
Full paper →-
Which one of the following elements is unable to form MF\(_6^{3-}\) ion ?
NEET UG 2017 question paper (official, booklet B)
Full paper →-
Which of the following is a sink for CO ?
-
It is because of inability of \(ns^2\) electrons of the valence shell to participate in bonding that :
NEET UG 2016 Phase 2 question paper (official, booklet ZZ)
Full paper →-
Boric acid is an acid because its molecule
-
\(AlF_3\) is soluble in HF only in presence of KF. It is due to the formation of