Description : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable and chemically inert. Its molecule ha
Last Answer : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable ... and NaC1` D. `SF_(4) and SF_(6)`
Description : If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? a. Unstable b. Unreactive c. Stable d. Inert
Last Answer : a. Unstable
Description : Inert gases are - (1) Miscible with water (2) Not stable (3) Chemically uncreative (4) Chemically very active
Last Answer : (3) Chemically uncreative Explanation: An inert gas is a gas which does not undergo chemical reactions since their valence shells are filled, meaning they don't normally form chemical bonds with other ... inert gases, also called noble gases, are argon, helium, neon, krypton, xenon and radon.
Description : The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8
Last Answer : (4) 8 Explanation: The innermost shell has a maximum of two electrons, but the next two electron shells can each have a maximum of eight electrons.
Description : Inert gases are (1) Miscible with water (2) Not stable (3) Chemically unreactive (4) Chemically very active
Last Answer : Chemically unreactive
Description : The first noble gas compound prepared by Bartlett is
Last Answer : The first noble gas compound prepared by Bartlett is A. `XeF_(2)` B. `KrF_(2)` C. `XePtF_(6)` D. `XeO_(3)`
Description : The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by `"NiCl"_(2).6H_(2)O` to form a stable coordination com
Last Answer : The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by `"NiCl"_(2).6H_(2)O` ... Cl = 35.5, Ca = 40, Ni = 59)
Description : What is inert gas ?
Last Answer : An element that does not participate in a chemical reaction is called inert gas. 6 inert gases: Helium ( He), Neon ( Ne) , Argon ( Ar), Krypton ( Kr), Xenon ( Xe), Radon ( Rn)
Description : How many atoms are in the molecule of inert gas ?
Last Answer : Inert gas has 1 atom in its molecule .
Last Answer : The elements in group 18 of the periodic table are called inert gases
Description : Assertion:- `ZN^(+2)` is more polarising than `Mg^(+2)`. Reason :- A pseudo inert gas configuration `Zn^(+2)` has high `Z_(eff)`, Then inert gas confi
Last Answer : Assertion:- `ZN^(+2)` is more polarising than `Mg^(+2)`. Reason :- A pseudo inert gas ... is False. D. If both Assertion & Reason are false
Description : Radioactive inert gas is :
Last Answer : Radioactive inert gas is : A. technetium B. radon C. xenon D. curium
Description : Which of the following inert gas(es) form(s) clathrate compoud(s) with quinol?
Last Answer : Which of the following inert gas(es) form(s) clathrate compoud(s) with quinol? A. (A) Helium B. (B) Xenon C. (C) Krypton D. Neon
Description : The inert gas abundantly found in atmosphere is:
Last Answer : The inert gas abundantly found in atmosphere is: A. (A) Ar B. (B) Kr C. (C) He D. (D) Xe
Description : Which has the same electronic configuration as of inert gas ?
Last Answer : Which has the same electronic configuration as of inert gas ? A. `Ag^(3+)` B. `Cu^(2+)` C. `Pb^(4+)` D. `Ti^(4+)`
Description : Number of unpaired electrons in inert gas is
Last Answer : Number of unpaired electrons in inert gas is A. Zero B. 8 C. 4 D. 18
Description : Which of the following gas is/are called inert gas ?
Last Answer : Which of the following gas is/are called inert gas ? A. He B. Ne C. Kr D. All of these
Description : The inert gas predicted from the solar spectrum is
Last Answer : The inert gas predicted from the solar spectrum is A. Ne B. Kr C. Xe D. He
Description : Which of the following inert gas is available only as a product in the radioactive disintegrations ?
Last Answer : Which of the following inert gas is available only as a product in the radioactive disintegrations ? A. He B. Ar C. Rn D. Kr
Description : The least abundant inert gas in the atmosphere is by volume
Last Answer : The least abundant inert gas in the atmosphere is by volume A. Ne B. He C. Ar D. Xe
Description : What is inert cume gas?
Last Answer : Feel Free to Answer
Description : What is inert gas?
Last Answer : argon -------------------------------------------- Any of the elements in column 18 of the Periodic Table, plus gasses made form some compounds (eg CO2) and some nonreactive gases such as Nitrogen could be considered as inert.
Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium
Last Answer : (4) Helium Explanation: Helium is used since it has very low (almost non-existent) narcotic properties. The nitrogen in air is highly narcotic at depth and adding helium allows one to dive without the effects of narcosis (where one's mind is impaired).
Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is – (1) Neon (2) Krypton (3) Argon (4) Helium
Last Answer : (4) Helium Explanation: Helium is used by deep sea divers because it reduces the narcosis of nitrogen and it remains below the oxygen toxicity limits. In fact, they use tri mix of Oxygen, helium and a little bit of nitrogen.
Description : Which of the following is an Inert Gas? (1) Hydrogen (2) Nitrogen (3) Oxygen (4) Argon
Last Answer : (4) Argon Explanation: Argon is an inert gas (noble gas) that is placed in Group 18 of the periodic table. It is the most abundant noble gas in Earth's crust, comprising 20.00015% of the crust. Helium ... (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) are other noble gases that occur naturally.
Description : The inert gas abundantly found in widely distributed is - (1) Xe (2) Kr (3) He (4) Ar
Last Answer : (4) Ar Explanation: Argon (Ar) is the most prevalent of the noble gases in Earth's crust with the element composing 0.00015% of this crust.
Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is - (1) Xenon (2) Krypton (3) Argon (4) Helium
Last Answer : (4) Helium Explanation: Trimix is a breathing gas, consisting of oxygen, helium and nitrogen, and is often used in deep commercial diving. The helium is included as a substitute for some ... possible to create mixes suitable for different depths or purposes by adjusting the proportions of each gas.
Description : The inert gas used as beacon light is - (1) Kr (2) Ar (3) He (4) Ne
Last Answer : (4) Ne Explanation: Neon is used in neon discharge lamps and advertising signs because the neon lights are visible from long distances. Since the light of neon signs has a better penetrating power through ... , the neon signs are also used in beacon lights for the safety of air and sea navigation.
Description : An inert gas mixed with oxygen given to patients suffering from restricted breathing is – (1) Helium (2) Krypton (3) Radon (4) Argon
Last Answer : (1) Helium Explanation: Heliox is a breathing has composed of a mixture of helium (He) and oxygen (O2). Heliox has been used medically since the 1930s, and although the medical community adopted ... its range of medical uses has since expanded greatly, mostly because of the low density of the gas
Description : When lead-acid batteries are charging, they always give off hydrogen gas that is _____________. A. considered inert B. highly explosive C. extremely toxic D. heavier than air
Last Answer : Answer: B
Description : What will be the effect on equilibrium if (i) a catalyst is added to it (ii) An inert gas is added at constant volume
Last Answer : Ans. (i) The state of equilibrium is not disturbed on adding catalyst rather it is attained quickly. (ii) No effect on state of equilibrium
Description : The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving ... (C) Kc = Kp . RT = Km . RT/p (D) None of these
Last Answer : (C) Kc = Kp . RT = Km . RT/p
Description : In an ammonia plant, the purge off is essential to (A) Maintain inert gas concentration within a limit (B) Remove excess poisonous gases (C) Maintain H2 : N2 ratio at 3 :1 (D) Remove uncondensed ammonia vapour
Last Answer : (C) Maintain H2 : N2 ratio at 3 :1
Description : Considering the endothermic dissociation of CaCO3 in a closed vessel (CaCO3 ⇌ CaO + CO2 ), the pressure of CO2 increases, if (A) A catalyst is added (B) The temperature is increased (C) An inert gas is pumped keeping the temperature constant (D) None of these
Last Answer : (B) The temperature is increased
Description : In the reaction, H2 +I2 ⇌ 2HI, addition of an inert gas will (A) Increase the partial pressure of H2 (B) Increase the partial pressure of I2 (C) Increase the total pressure and hence shift the equilibrium towards the right (D) Not affect the equilibrium conditions
Last Answer : (D) Not affect the equilibrium conditions Share
Description : In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants) (A) Addition of inert gas favours the forward reaction, when Δx is positive (B) Pressure has no effect on equilibrium, when Δn = ... any value of Δx (+ ve, - ve) or zero) (D) All 'a', 'b' & 'c'
Last Answer : D) All 'a', 'b' & 'c'
Description : Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2.Degree of dissociation of PCl5 will (A) Decrease on addition of Cl2 (B) Increase on addition of ... at constant pressure (C) Decrease on increasing the pressure of the system (D) None of these
Last Answer : (D) None of thes
Description : Clapeyron Equation deals with the (A) Rate of change of vapour pressure with temperature (B) Effect of an inert gas on vapour pressure (C) Calculation of ΔF for spontaneous phase change (D) Temperature dependence of heat of phase transition
Last Answer : (A) Rate of change of vapour pressure with temperature
Description : Stainless steel is welded using (A) Oxy-acetylene flame (B) Oxy-hydrogen flame (C) Arc welding (D) Inert gas arc welding
Last Answer : (D) Inert gas arc welding
Description : Which of the following inert gas atoms is the heaviest? w) xenon x) neon y) radon z) krypton
Last Answer : ANSWER: Y -- RADON
Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is (1) Xenon (2) Krypton (3) Argon (4) Helium
Last Answer : Helium
Description : The inert gas used as beacon light is (1) Kr (2) Ar (3) He (4) Ne
Last Answer : Ne
Description : An inert gas mixed with oxygen given to patients suffering from restricted breathing is (1) Helium (2) Krypton (3) Radon (4) Argon
Description : The most abundant inert gas in the atmosphere is (1) Helium (2) Neon (3) Argon (4) Krypton
Last Answer : Argon
Description : The first stable compound formed in photosynthesis of `C_(3)` plants is
Last Answer : The first stable compound formed in photosynthesis of `C_(3)` plants is A. Phosphoglyceric acid B. Starch C. Pyruvic acid D. Ribulose diphosphate
Description : For the compound `A-CH_(2)-CH_(27)-A` draw the newman projection formula of all the stable conformational it `mu_(obs) = 2D " and " X_(anti) = 0.75 "
Last Answer : For the compound `A-CH_(2)-CH_(27)-A` draw the newman projection formula of all the stable conformational it ` ... " mu_(gauche.)("If "A= NO_(2))`
Description : Which of the following is the most stable compound?
Last Answer : Which of the following is the most stable compound? A. `Ph_(3)C^(+)` B. `Ph_(2)overset(+)CH` C. `Ph_(2)overset(+)CH` D. `Phoverset(+)CH_(2)`
Description : The compound which give the most stable carbonium ion on dehydration is
Last Answer : The compound which give the most stable carbonium ion on dehydration is A. `CH_(3) - underset(CH_(3)) ... underset(OH)underset(|)(CH)-CH_(2)CH_(3)`